400 ppm Scary say NASA scientists. #Auspol #ClimateChange #Science 


The global concentration of carbon dioxide in the atmosphere – the primary driver of recent climate change – has reached 400 parts per million (ppm) for the first time in recorded history, according to data from the Mauna Loa Observatory in Hawaii.

Since 1958, the Mauna Loa Observatory has been gathering data on how much carbon dioxide is in the atmosphere. Carbon dioxide has increased by about 24 percent since the beginning of this record. (Source: NOAA)

We rounded up a few scientists here at NASA and asked them what passing 400 ppm means to them.

Passing the 400 mark reminds me that we are on an inexorable march to 450 ppm and much higher levels. These were the targets for ‘stabilization’ suggested not too long ago. The world is quickening the rate of accumulation of CO2, and has shown no signs of slowing this down. It should…

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One thought on “400 ppm Scary say NASA scientists. #Auspol #ClimateChange #Science 

  1. More misleading…
    THE TRUTH: every time rains, it washes the co2 from the atmosphere into the ground and in the sea. The more co2 -> the more it gets washed down. b] Mauna Loa Observatory in Hawaii is the worse place to monitor co2 level; close to active volcanoes AND sugarcane farms.
    People should demand, those gadgets to be available in the shop, for the honest people to start monitoring in their own areas, outside every city and expose the scam! https://globalwarmingdenier.wordpress.com/2014/07/12/cooling-earth/

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